<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Title</title>
  <style>
    html {
      padding: 60px;
    }
    body {
      width: 100%;
      height: 100%;
      padding: 0;
      margin: 0;
      border: 1px solid #3232f6;
    }
    * {
      box-sizing: border-box;
      &:before {
        box-sizing: border-box;
      }
      &:after {
        box-sizing: border-box;
      }
    }
    .row {
      // margin-bottom: 20px;
      
      border: 1px solid #ee7272;
      position: relative;
      background: rgba(0, 0, 0, 0.1);
      margin-left: -10px;
      margin-right: -10px;
      zoom: 1;
      height: auto;
      &:before {
        display: table;
        content: '';
        clear: both;
      }
      &:after {
        display: table;
        content: '';
        clear: both;
      }
    }
    .inner {
      background: rgba(0, 0, 0, 0.1);
      height: 20px;
      width: 100%;
      text-align: center;
    }
    [class*="col-"] {
      float: left;
    }
  </style>
</head>
<body>
<div class="row">
  <div class="same col-1"><div class="inner">col-1</div></div>
  <div class="same col-2"><div class="inner">col-2</div></div>
  <div class="same col-3"><div class="inner">col-3</div></div>
</div>
<div class="row">
  <div class="same col-2"><div class="inner">xxx-xx</div></div>
  <div class="same col-2 offset-1"><div class="inner">xxx-xx</div></div>
  <div class="same col-2 offset-1"><div class="inner">xxx-xx</div></div>
</div>
</body>
</html>